package com.itheima.algorithm.recursion_single;

public class E01Factorial {
    public static int f(int n){
        if(n == 1){
            return 1;
        }
        return n*f(n-1);
    }

    public static void main(String[] args) {
        int f=f(5);
        System.out.println(f);
    }
}
